React usePrevious Hook

1 · David Walsh · Aug. 23, 2021, 2:09 p.m.
Hooks are essential for the functional component pattern in React. One frequent logic comparison with class components was comparing a previous prop value with a current prop value via lifecycle methods. So what’s an easy pattern for duplicating previous value comparisons in functional components? The useRef and useEffect hooks allow us manage that same functionality […] The post React usePrevious Hook appeared first on David Walsh Blog. ...